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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LazyClassLoadingTest.java @ 15478:dd95dff835f9

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TruffleDSL: add class loading test
author Andreas Woess <andreas.woess@jku.at>
date Fri, 02 May 2014 15:51:11 +0200
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children a665483c3881
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15478
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.dsl.test;
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24
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25 import java.lang.reflect.*;
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26
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27 import org.junit.*;
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28
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29 import com.oracle.truffle.api.dsl.*;
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30 import com.oracle.truffle.api.dsl.test.LazyClassLoadingTestFactory.TestNodeFactory;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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32
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33 public class LazyClassLoadingTest {
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34 @Test
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35 public void test() {
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36 String testClassName = getClass().getName();
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37 String factoryClassName = testClassName + "Factory";
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38 String nodeFactoryClassName = factoryClassName + "$TestNodeFactory";
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39
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40 Assert.assertFalse(isLoaded(factoryClassName + "$TestNode"));
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41 Assert.assertFalse(isLoaded(nodeFactoryClassName));
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42
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43 NodeFactory<TestNode> factory = TestNodeFactory.getInstance();
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44
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45 Assert.assertTrue(isLoaded(nodeFactoryClassName));
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46 Assert.assertFalse(isLoaded(nodeFactoryClassName + "$TestBaseNode"));
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47
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48 TestHelper.createRoot(factory);
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49
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50 Assert.assertTrue(isLoaded(nodeFactoryClassName + "$TestBaseNode"));
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51 Assert.assertTrue(isLoaded(nodeFactoryClassName + "$TestUninitializedNode"));
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52 Assert.assertFalse(isLoaded(nodeFactoryClassName + "$TestGenericNode"));
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53 }
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54
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55 private boolean isLoaded(String className) {
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56 ClassLoader classLoader = getClass().getClassLoader();
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57 Method m;
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58 try {
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59 m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
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60 m.setAccessible(true);
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61 return m.invoke(classLoader, className) != null;
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62 } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
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63 throw new RuntimeException(e);
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64 }
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65 }
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66
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67 @SuppressWarnings("unused")
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68 @NodeChildren({@NodeChild("left"), @NodeChild("right")})
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69 abstract static class TestNode extends ValueNode {
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70 @Specialization(order = 1)
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71 int add(int left, int right) {
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72 return 42;
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73 }
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74
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75 @Specialization(order = 2)
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76 int add(boolean left, boolean right) {
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77 return 21;
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78 }
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79
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80 @Specialization(order = 4)
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81 String add(boolean left, int right) {
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82 return "(boolean,int)";
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83 }
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84 }
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85 }